From 73627d0bd43e63a67995ab1c826f1cec4ed22560 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Tue, 11 Aug 2015 15:46:09 +0200
Subject: patch 7.4.815 Problem:    Invalid memory access when doing ":call
 g:". Solution:   Check for an empty name. (Dominique Pelle)

---
 src/eval.c    | 3 +++
 src/version.c | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/src/eval.c b/src/eval.c
index 8238b6ec6..cc9e87881 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -21371,6 +21371,7 @@ find_var_in_ht(ht, htname, varname, no_autoload)
 
 /*
  * Find the hashtab used for a variable name.
+ * Return NULL if the name is not valid.
  * Set "varname" to the start of name without ':'.
  */
     static hashtab_T *
@@ -21380,6 +21381,8 @@ find_var_ht(name, varname)
 {
     hashitem_T	*hi;
 
+    if (name[0] == NUL)
+	return NULL;
     if (name[1] != ':')
     {
 	/* The name must not start with a colon or #. */
diff --git a/src/version.c b/src/version.c
index 53fa03dd1..fc27f4146 100644
--- a/src/version.c
+++ b/src/version.c
@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    815,
 /**/
     814,
 /**/
-- 
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